<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
  <!-- React核心包 最先引入  提供一个对象React -->
  <script src="../../react资料_stu/依赖包/react.development.js"></script>
  <!-- ReactDOM包  提供一个对象ReactDOM -->
  <script src="../../react资料_stu/依赖包/react-dom.development.js"></script>
  <!-- babel -->
  <script src="../../react资料_stu/依赖包/babel.min.js"></script>
</head>

<body>
  <div id="app"></div>
  <script type="text/babel">

    class App extends React.Component {
      state = {
        name: "laowang",
        age: 18,
        hobby: "吃饭"
      }
      
      render() {
        const { name, age, hobby } = this.state;
        return (
          <div>
            姓名: <input type="text" value={name} onChange={this.High("name")} />
            <br />
            年龄: <input type="text" value={age} onChange={this.High("age")} />
            <br />
            爱好: <input type="text" value={hobby} onChange={this.High("hobby")} />
            <br />
            <button onClick={this.handle}>提交</button>
          </div>
        )
      }
      
      High=(type)=>{
      // console.log(type);
      return (e)=>{
        //对应的DOM节点
        // console.log(e)
        let { value } = e.target
        this.setState({[type]:value})
      }
      }

      //收集表单数据
      handle = () => {
        const { name, age, hobby } = this.state
        console.log(name, age, hobby);
      }
      
    }

    const root = ReactDOM.createRoot(document.getElementById('app'));
    root.render(<App />)

  </script>
</body>

</html>